/* ============================================================
   LANDING PAGE STYLES
   OnlineInvoicesMaker.com — Proforma Invoice Generator
   ============================================================ */

/* ---- Hero Section ---- */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-20);
  overflow: hidden;
  background: var(--bg-surface);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.hero-bg-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--brand-primary);
  top: -200px;
  right: -100px;
}

.hero-bg-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--brand-secondary);
  bottom: -100px;
  left: -100px;
}

.hero-bg-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--brand-accent);
  top: 50%;
  left: 40%;
  transform: translate(-50%, -50%);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 30%, transparent 100%);
  opacity: 0.4;
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.hero-announcement {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
  cursor: default;
}

.hero-announcement .ann-badge {
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--brand-gradient);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.hero-headline .highlight {
  position: relative;
  display: inline-block;
}

.hero-headline .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--brand-gradient);
  border-radius: var(--radius-full);
  opacity: 0.4;
  z-index: -1;
}

.hero-subheadline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto var(--space-10);
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: 500;
}

.hero-trust-item svg { color: var(--success); }

/* Hero Document Preview */
.hero-preview {
  position: relative;
  max-width: 960px;
  margin: var(--space-16) auto 0;
  padding: 0 var(--space-6);
}

.hero-preview-browser {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl), 0 40px 100px rgb(0 0 0 / 0.12);
  overflow: hidden;
}

.hero-preview-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface-2);
  border-bottom: 1px solid var(--border-color);
}

.preview-bar-dots {
  display: flex;
  gap: var(--space-2);
}

.preview-bar-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.preview-bar-dot:nth-child(1) { background: #ff5f57; }
.preview-bar-dot:nth-child(2) { background: #febc2e; }
.preview-bar-dot:nth-child(3) { background: #28c840; }

.preview-bar-url {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-align: center;
  font-family: var(--font-mono);
}

.hero-preview-content {
  aspect-ratio: 16/7;
  display: flex;
  background: var(--bg-page);
  overflow: hidden;
  position: relative;
}

/* ---- Features Section ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-8);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: transparent;
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 24px;
}

.feature-icon.indigo { background: #eef2ff; color: var(--brand-primary); }
.feature-icon.violet { background: #f5f3ff; color: #7c3aed; }
.feature-icon.cyan { background: #ecfeff; color: #0891b2; }
.feature-icon.green { background: #d1fae5; color: #059669; }
.feature-icon.orange { background: #fff7ed; color: #ea580c; }
.feature-icon.pink { background: #fdf2f8; color: #be185d; }
.feature-icon.yellow { background: #fffbeb; color: #d97706; }
.feature-icon.red { background: #fff1f2; color: #e11d48; }
.feature-icon.teal { background: #f0fdfa; color: #0d9488; }

[data-theme="dark"] .feature-icon.indigo { background: #1e1b4b; }
[data-theme="dark"] .feature-icon.violet { background: #2e1065; }
[data-theme="dark"] .feature-icon.cyan { background: #083344; }
[data-theme="dark"] .feature-icon.green { background: #064e3b; }
[data-theme="dark"] .feature-icon.orange { background: #431407; }
[data-theme="dark"] .feature-icon.pink { background: #500724; }

.feature-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.feature-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ---- How It Works ---- */
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.how-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  opacity: 0.3;
}

.how-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  position: relative;
}

.how-step-num {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 800;
  color: #fff;
  box-shadow: var(--shadow-brand);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.how-step-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
}

.how-step-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Social Proof / Testimonials ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-primary);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-4);
}

.star { color: #f59e0b; font-size: 16px; }

.testimonial-text {
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author-info { display: flex; flex-direction: column; }
.testimonial-author-name { font-size: var(--text-sm); font-weight: 700; color: var(--text-primary); }
.testimonial-author-role { font-size: var(--text-xs); color: var(--text-tertiary); }

/* ---- Stats Bar ---- */
.stats-bar {
  background: var(--brand-gradient);
  padding: var(--space-12) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-item { display: flex; flex-direction: column; gap: var(--space-2); }

.stat-num {
  font-size: var(--text-4xl);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

/* ---- Use Cases / Personas ---- */
.personas-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.persona-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.persona-card:hover {
  border-color: var(--brand-primary);
  background: var(--brand-primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-brand);
}

.persona-emoji { font-size: 2rem; }

.persona-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.persona-desc {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ---- FAQ ---- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover, .faq-item.open {
  border-color: var(--brand-primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  user-select: none;
  gap: var(--space-4);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.faq-item.open .faq-icon {
  background: var(--brand-primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer { max-height: 400px; }

.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-4);
}

/* ---- CTA Section ---- */
.cta-section {
  position: relative;
  overflow: hidden;
  padding: var(--space-24) 0;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: var(--brand-gradient);
  z-index: 0;
}

.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.15) 1px, transparent 0);
  background-size: 32px 32px;
  z-index: 1;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.cta-headline {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: var(--space-5);
}

.cta-sub {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

.cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-white {
  background: #fff;
  color: var(--brand-primary);
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  font-weight: 600;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.8); }

.cta-note {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-brand-lg);
  background: var(--bg-surface);
}

.pricing-featured-badge {
  position: absolute;
  top: 20px;
  right: -28px;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 36px;
  transform: rotate(45deg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-plan-name {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.pricing-card.featured .pricing-plan-name { color: var(--brand-primary); }

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.pricing-amount {
  font-size: var(--text-5xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: 500;
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.pricing-feature-icon { color: var(--success); flex-shrink: 0; }
.pricing-feature.disabled { color: var(--text-tertiary); }
.pricing-feature.disabled .pricing-feature-icon { color: var(--text-tertiary); }

/* ---- Footer ---- */
.site-footer {
  background: var(--gray-950);
  color: var(--gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

[data-theme="dark"] .site-footer { background: #040509; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand-col {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  text-decoration: none;
}

.footer-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--brand-gradient);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo-name {
  font-size: var(--text-base);
  font-weight: 800;
  color: white;
}

.footer-brand-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--gray-500);
  margin-bottom: var(--space-6);
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.footer-social-btn:hover { background: var(--brand-primary); color: #fff; }

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--gray-500);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover { color: var(--gray-200); }

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-link {
  font-size: var(--text-sm);
  color: var(--gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom-link:hover { color: var(--gray-300); }

/* ---- Comparison Table ---- */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.comparison-table th, .comparison-table td {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: var(--bg-surface-2);
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
}

.comparison-table th.featured-col {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
}

.comparison-table td { color: var(--text-secondary); }

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table .check { color: var(--success); font-size: 1rem; }
.comparison-table .cross { color: var(--text-tertiary); font-size: 1rem; }

/* ---- Responsive Landing ---- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .how-steps { grid-template-columns: repeat(2, 1fr); }
  .how-steps::before { display: none; }
  .personas-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .hero-cta-group { flex-direction: column; }
  .hero-trust { gap: var(--space-4); }
  .features-grid { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .personas-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}